× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Best Answer
Posted to Emissions Forum on 11/17/2010

I had the same question and struggled with the answer. Went back and forth between the two and finally settled on lazy O2, although I'm still not convinced. Login to read more.